<?xml version="1.0" encoding="UTF-8"?>
<dxl:DXLMessage xmlns:dxl="http://greenplum.com/dxl/2010/12/">
 <dxl:Comment><![CDATA[
	Objective: For a DML query with a limit on a Master Only table, 
	ensure that no Singleton Segment request is generated. 

	create table x(a int);
	set optimizer_enable_master_only_queries = on;
  explain delete from x where exists (select port from gp_segment_configuration limit 10);

                                                    QUERY PLAN
------------------------------------------------------------------------------------------------------------------
 Delete  (cost=0.00..1324032.22 rows=1 width=1)
   ->  Result  (cost=0.00..1324032.19 rows=1 width=18)
         ->  Table Scan on x  (cost=0.00..1324032.19 rows=1 width=14)
               Filter: (SubPlan 1)
               SubPlan 1  (slice0; segments: 3)
                 ->  Materialize  (cost=0.00..431.00 rows=1 width=2)
                       ->  Broadcast Motion 1:3  (slice1)  (cost=0.00..431.00 rows=3 width=2)
                             ->  Limit  (cost=0.00..431.00 rows=1 width=2)
                                   ->  Table Scan on gp_segment_configuration  (cost=0.00..431.00 rows=1 width=2)
	]]>
  </dxl:Comment>
  <dxl:Thread Id="0">
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      <dxl:CTEConfig CTEInliningCutoff="0"/>
      <dxl:WindowOids RowNumber="3100" Rank="3101"/>
      <dxl:CostModelConfig CostModelType="1" SegmentsForCosting="3">
        <dxl:CostParams>
          <dxl:CostParam Name="NLJFactor" Value="1024.000000" LowerBound="1023.500000" UpperBound="1024.500000"/>
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      </dxl:CostModelConfig>
      <dxl:Hint JoinArityForAssociativityCommutativity="18" ArrayExpansionThreshold="100" JoinOrderDynamicProgThreshold="10" BroadcastThreshold="10000000" EnforceConstraintsOnDML="false"/>
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    </dxl:OptimizerConfig>
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